If x=2/3 and x= -3 are the roots of the equation ax2+7x+b=0, find the value of a and b

If x=2/3 and x= -3 are the roots of the equation ax2+7x+b=0, find the

1.	If x=2/3 and x= -3 are the roots of the equation ax2+7x+b=0, find the value of a and b
Answer» A= -35/4 , B=49/4